package com.shujia.wyh.mrdemos;

import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;

public class MyReducer2 extends Reducer<Text, LongWritable, Text, LongWritable> {
    @Override
    protected void reduce(Text key, Iterable<LongWritable> values, Reducer<Text, LongWritable, Text, LongWritable>.Context context) throws IOException, InterruptedException {
//        long sum = 0L;
//        for (LongWritable value : values) {
//            sum += value.get();
//        }
//        context.write(key, new LongWritable(sum));

        context.write(key,new LongWritable(1L));
    }
}
